August 2014 REPORT ON Fish Habitat and Fish Community Headwater Assessment 4401 Fallowfield Road Subdivision O'Keefe Drain Submitted to: Mr. Michael Boucher, Manager of Planning DCR/Phoenix Development Corp. Ltd. 18 Bentley Ave Ottawa, ON K2E 6T8 Report Number: 14-1126-0002 Rev. 3 Distribution: REPORT 1 e-copy - DCR/Phoenix Development Corp. Ltd. 3 copies - MMM Group Ltd. 1 e-copy - MMM Group Ltd. 2 copies - Golder Associates Ltd. 4401 FALLOWFIELD ROAD SUBDIVISION O'KEEFE DRAIN HEADWATER ASSESSMENT Table of Contents 1.0 INTRODUCTION ............................................................................................................................................................... 1 1.1 Background.......................................................................................................................................................... 1 1.2 Site Description .................................................................................................................................................... 1 1.2.1 Adjacent Land Use ......................................................................................................................................... 1 2.0 ENVIRONMENTAL POLICY CONTEXT ........................................................................................................................... 2 2.1 Species at Risk .................................................................................................................................................... 2 2.1.1 Species at Risk Act (SARA) ........................................................................................................................... 2 2.1.2 Endangered Species Act (ESA) ..................................................................................................................... 2 2.2 Fisheries Act ........................................................................................................................................................ 2 2.3 City of Ottawa ...................................................................................................................................................... 3 2.4 Conservation Authorities Act................................................................................................................................ 3 2.4.1 Rideau Valley Conservation Authority ............................................................................................................ 4 2.5 Drainage Act ........................................................................................................................................................ 4 3.0 DESCRIPTION OF PROPOSED DEVELOPMENT .......................................................................................................... 5 4.0 METHODS ........................................................................................................................................................................ 6 4.1 Background Data Review .................................................................................................................................... 6 4.2 Screening for Species at Risk (SAR) ................................................................................................................... 6 4.3 Site Investigations ................................................................................................................................................ 7 4.4 Headwater Drainage Feature Assessment .......................................................................................................... 7 5.0 RESULTS ......................................................................................................................................................................... 8 5.1 Background Review ............................................................................................................................................. 8 5.1.1 Aquatic ........................................................................................................................................................... 8 5.1.2 Terrestrial ....................................................................................................................................................... 9 5.1.3 Species at Risk ............................................................................................................................................ 10 6.0 HEADWATER DRAINAGE FEATURES ASSESSMENT ............................................................................................... 12 6.1 Part 1 – Evaluation ............................................................................................................................................ 12 6.1.1 Surface Water Features ............................................................................................................................... 12 6.1.2 Feature Form ............................................................................................................................................... 12 August 2014 Report No. 14-1126-0002 Rev. 3 i 4401 FALLOWFIELD ROAD SUBDIVISION O'KEEFE DRAIN HEADWATER ASSESSMENT 6.1.3 Feature Flow ................................................................................................................................................ 14 6.1.4 Riparian Conditions ...................................................................................................................................... 16 6.1.5 Fish and Fish Habitat Information ................................................................................................................ 16 6.1.6 Terrestrial Habitat Information ...................................................................................................................... 17 6.2 Part 2 –Classification ......................................................................................................................................... 19 6.2.1 Hydrology ..................................................................................................................................................... 19 6.2.2 Riparian Conditions ...................................................................................................................................... 20 6.2.3 Fish and Fish Habitat Information ................................................................................................................ 21 6.2.4 Terrestrial Habitat Information ...................................................................................................................... 21 6.3 Part 3 – Management Recommendations ......................................................................................................... 21 7.0 WATERCOURSE SETBACK ......................................................................................................................................... 23 7.1 Rational for Proposed Setback .......................................................................................................................... 23 8.0 CONCLUSIONS .............................................................................................................................................................. 25 9.0 CLOSING ........................................................................................................................................................................ 26 TABLES Table 1: Fish Species Observed within O'Keefe Drain ............................................................................................................... 9 Table 2: Summary of Channel Form ........................................................................................................................................ 13 Table 3: Flow description of O'Keefe Drain on April 11, 2014 .................................................................................................. 14 Table 4: Plant Species Observed on Site on April 11, 2014 ..................................................................................................... 17 Table 5: Incidental Wildlife Observations on Site on April 11, 2014 ......................................................................................... 18 Table 6: Flow Classification as Evaluated using Ontario Stream Assessment Protocol (OSAP) S4.M10 Data ............................... 20 Table 7: Riparian Condition Classification using Ontario Stream Assessment Protocol (OSAP) S4.M10 Data ............................... 20 Table 8: Summary of Functional Classifications and Management .......................................................................................... 22 FIGURES Figure 1 - Key Plan Figure 2 - Site Plan Figure 3 - Aquatic Setbacks August 2014 Report No. 14-1126-0002 Rev. 3 ii 4401 FALLOWFIELD ROAD SUBDIVISION O'KEEFE DRAIN HEADWATER ASSESSMENT APPENDICES APPENDIX A Species at Risk Screening APPENDIX B Surface Water Features of Site APPENDIX C O'Keefe Drain Catchment Area Plan August 2014 Report No. 14-1126-0002 Rev. 3 iii 4401 FALLOWFIELD ROAD SUBDIVISION O'KEEFE DRAIN HEADWATER ASSESSMENT 1.0 INTRODUCTION Golder Associates Ltd. (Golder) has been retained by DCR/Phoenix Development Corp. Ltd. (DCR) to complete a headwater drainage feature (HDF) assessment for the O’Keefe Subdivision Development (the “Site”). The HDF assessment will provide important input to an Official Plan Amendment to the South Nepean Urban